Chapter 19. Monitoring Red Hat Gluster Storage Gluster Workload

Monitoring storage volumes is helpful when conducting a capacity planning or performance tuning activity on a Red Hat Gluster Storage volume. You can monitor the Red Hat Gluster Storage volumes with different parameters and use those system outputs to identify and troubleshoot issues.

You can use the volume top and volume profile commands to view vital performance information and identify bottlenecks on each brick of a volume.

You can also perform a statedump of the brick processes and NFS server process of a volume, and also view volume status and volume information.

Note

If you restart the server process, the existing profile and top information will be reset.

19.1. Running the Volume Profile Command

The volume profile command provides an interface to get the per-brick or NFS server I/O information for each File Operation (FOP) of a volume. This information helps in identifying the bottlenecks in the storage system.

This section describes how to use the volume profile command.

19.1.1. Start Profiling

To view the file operation information of each brick, start the profiling command:

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